best way to get music on android

Using Android's intent to invoke another activity, the use of a multithreaded mechanism, asynchronous way. Startactivityforresult is called after the activity does not return the result immediately to the Acitivity object that called Activity,android The Startactivityforresult source code has the relevant explanation. /*** Launch an activity for which you would like a result? ? ? ? ? ? When it finished. ? ?

", " Org.anddev.android.testproject "); In this way, we can do the same. int indentify = Getresources (). Getidentifier (Org.loveandroid.androidtest:drawable/icon ", null,null); 3. Carry out the package public static int Getresourceid (Context context,string name,string type,string packagename) {Resources THEMERESOURCEs=null;Packagemanager Pm=context.getpackagemanager ();try {themeresources=pm.getresourcesforapplication (packagename);Return Themere

Android Development Get photo album of the way There are many kinds of online, here is a Android4.4 method, because the higher the version, some old APIs will be discarded, the new API and the old API is incompatible, resulting in a lot of problems. For example: Managedquery () has now been replaced by Getcontentresolver (). query (), but their parameters are th

Android source code in this way to describe the displaymetrics./** * A structure describing general information on a display, such as its * size, density, and font scaling. * As you can see in the displaymetrics note, we just write an example to test everything. I'm using Xiaomi 3:Displaymetrics metrics =NewDisplaymetrics (); Getactivity (). Getwindowmanager (). Getdefaultdisplay (). Getmetrics (metr

); Intent.putextra ("Return-data",true); Startactivityforresult (Intent, head_image_zoom); }}The above code gets the return value of the process, using three methods, the detailed implementation of the time is only one way to do. The third way is recommended.It is worth mentioning that. This small project needs to add a privilege value to the configuration file:uses-permission android:name="android.

way. The third way is recommended.It is worth mentioning that the small project needs to add a permission value in the configuration file:uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>Error without this permission!This small project is very practical, most of the apps have access to the user's avatar, the user's avatar settings, so we can refer to, if there is anything wrong plac

Transferred from: http://blog.csdn.net/lizzy115/article/details/7513552FloatOther than that:1) QuestionsWhen you implement an adaptive Tablectrl control in Android to display text information, there is a problem when you need to get the width value of the longest string in a column. After searching the internet, I discovered that Android can take advantage of the

First Introduce Yourself The landlord immediately senior, computer water, postgraduate examination and I missed Now in the Royal Park, a company algorithm department internship, the company is a big company, but personal hobby development Sophomore time to write an app, mainly with a variety of frameworks On dry Goods Session1: Accidentally see the inside push posts, cast a resume, the afternoon hr sister call me, arrange interview selected in 3 days, but also writ

; Resources> Then the face manifest.xml in the reference, this method is slightly more troublesome. android:icon= "@drawable/icon" android:label= "@string/app _name " android:theme=" @style/notitle "> In fact, it can be seen that the second method is essentially the same as the third method, But the second method calls the system-defined Style.xml file, and the third method is to define the Style.xml in its own application, and then call it by itself, in fa

privilegesSystem permissions should be installed in the/system/app apk get, (and the system-level signature will also be installed in the/system/app directory)If you want to use the third "signature" permission, then even if you root after the force of the APK push to/system/appAfter restarting the phone in the directory is also unable to obtain this permission (this way can

When I first started using Android studio, when creating a javabean, I used to right-click on the JavaBean class to find the option to generate Get,set. But unfortunately, I can't find it.That way. How to quickly set,get or generate constructors to generate the ToString method.There are two ways of doing this:Way One:

1. Picture in SDcardBitmap imagebitmap = bitmapfactory.decodefile (path) (paths are images, and directories are/sdcard)2. Picture below the Res folder of the projectGet Application ObjectApplicationInfo appInfo = Getapplicationinfo ();Get the image ID (name is the name of the picture, "Drawable" is the directory where the picture is stored, Appinfo.packagename is the app's package)int resID = Getresources (). Getidentifier (Name, "drawable", appinfo.p

Android App Development-Wizards CSDN Blog client's get comment listThe previous blog introduces the details of the blog's Business logic implementation, this blog introduces the last feature of the CSDN blog client, to get a list of comments, the implementation of this feature is not the same as the previous access to the article list and the detailed content of

obtain clear-text mobile phone number, the recent mobile strategy has changed, mobile phone number into a heavenly book-like unique serial number. So the current from the server side directly to get mobile phone number is also not.The only way to think of a relatively reliable automatic acquisition of a user's mobile phone number is by means of a text message.? by SMS: Let the user uplink a text message, t

First of all, first of all, the following Java can be used in a normal way:1 ImportJava.text.DateFormat;2 ImportJava.text.SimpleDateFormat;3 ImportJava.util.Calendar;4 Importjava.util.Date;5 ImportJava.util.Locale;6 7 Public classGetDate {8 9 /**Ten * @paramargs One */ A Public Static voidMain (string[] args) { - - //Get date and time (12 hour system) theSimpleDateFormat Sdatefo

value in the current environment (sensor type): 6 (0x00000006) type_ The proximity distance sensor, in cm, is used to measure the distance of an object to the screen. Sensor Type value: 8 (0x00000008) type_relative_humidity humidity sensor, unit is%, To measure the relative humidity sensor type value of the surrounding environment: (0x0000000c) type_rotation_vector rotation vector sensor, rotation vector represents the direction sensor type value of the device (sensor types): 11 ( 0X0000000B) T

There are several common ways to bind a button in Android, you can set the ID for the button in the layout file, and then get the instance of the button object in Mainactivity through the Findviewbyid method, and then bind the event by setonclicklistener the button , as shown below:// 1. Get control btn = (Button) Findviewbyid (r.id.button1); // 2. Bind event Btn

Layout file:1 XML version= "1.0" encoding= "Utf-8"?>2 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns:tools= "Http://schemas.android.com/tools"4 Android:layout_width= "Match_parent"5 Android:layout_height= "Match_parent"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_margin"8 Android:paddingright= "@dimen/activity_horizontal_margin"9 Android:paddingtop= "@dimen

There are three ways to get rid of the title bar in Android, and they have their own characteristics.1. Implement in CodeRemember: This code should be written in front of Setcontentview (). 2. Implemented in the manifest file (manifest.xml)This can be used to set the entire application to no title bar, if only one activity is set to a untitled bar form, as long as the above the third line of code written to

Android WebView Call JS method very easy, Webview.loadurl ("Javascrpt:yourfunction ()");However, this method has no way to get the return resultThe return result can be obtained only by invoking the alert method and then by overriding the Onjsalert method in the webchromclient.such as Webview.loadurl ("Javascript:alert (YourFunction ())")The string message parame